Home / 18,853.02-28,279.35-11,459.52

Finding the Fourth Proportional to 18,853.02, 28,279.35 and 11,459.52

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Solution

The fourth proportional to 18,853.02, 28,279.35 and 11,459.52 is: 17,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.02 : 28,279.35 = 11,459.52 : x
  2. Step 2: Convert to fraction form
    18,853.02/28,279.35 = 11,459.52/x
  3. Step 3: Cross multiply
    18,853.02x = 28,279.35 × 11,459.52
  4. Step 4: Simplify right side
    18,853.02x = 324,067,776.91
  5. Step 5: Solve for x
    x = 324,067,776.91/18,853.02
  6. Step 6: Final answer
    x = 17,189.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.